Compositions stabilized by 6-amino-dibenz[d,g][1,3,2]dioxaphosph

Details Compositions stabilized by 6-amino-dibenz[d,g][1,3,2]dioxaphosph Compositions stabilized by 6-amino-dibenz[d,g][1,3,2]dioxaphosph

1980-12-15

1983-10-11

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524108, 524117, 524151, C08K 546, C08K 515, C08K 549, C08K 551

Patent

active

044093462

ABSTRACT:
Compounds of the formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl or C.sub.7 -C.sub.9 phenylalkyl and R.sub.2 is hydrogen or C.sub.1 -C.sub.18 alkyl, or, if R.sub.1 is hydrogen, R.sub.2 is a divalent 1,1,3,3-tetramethylpropylene radical fused in the 2-position and 3-position or the 9-position and 10-position, and X is sulfur or a group --CH(R).sub.3 --, in which R.sub.3 is hydrogen or a radical of the formula II --CH(R.sub.4)--CH(R.sub.5)SR.sub.6, and each of R.sub.4 and R.sub.5 independently is hydrogen or C.sub.1 -C.sub.6 alkyl and R.sub.6 is C.sub.1 -C.sub.20 alkyl, while the alkyl group can be interrupted by one or more sulfur atoms, and A is a primary or secondary aliphatic or alicyclic, aromatic or araliphatic amine which contains substituents of the same type or mixed substituents, or a heterocyclic amine or a hydrazine derivative. These compounds are useful stabilizers for organic material.

REFERENCES:
patent: 3297631 (1967-01-01), Bown et al.
patent: 3993655 (1976-11-01), Rasberger et al.
patent: 4055539 (1977-10-01), Rosenberger
patent: 4136041 (1979-01-01), Lenack
patent: 4322527 (1982-03-01), Rasberger
N. A. Mukmeneva et al., CA, 82, 58628v, (1975).

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